CN215364702U - Extensible lifting platform for urban rail vehicle - Google Patents
Extensible lifting platform for urban rail vehicle Download PDFInfo
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- CN215364702U CN215364702U CN202121019038.5U CN202121019038U CN215364702U CN 215364702 U CN215364702 U CN 215364702U CN 202121019038 U CN202121019038 U CN 202121019038U CN 215364702 U CN215364702 U CN 215364702U
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Abstract
The utility model discloses an expandable lifting platform for urban rail vehicles, which comprises a platform, wherein grooves are respectively processed on the left side and the right side of the top of the platform, the bottoms of the outer walls of two plate bodies are respectively attached to the bottoms of the inner walls of the two grooves, first threaded sleeves are fixedly connected to the bottoms of two vertical rods, the inner wall threads of the two first threaded sleeves are connected with a double-headed screw, the left side and the right side of the outer wall of the double-headed screw are respectively connected with a supporting seat through a bearing in a rotating mode, the top of the outer parts of the two supporting seats are respectively fixedly connected with the left side and the right side of the bottom of the platform, a first motor is fixedly connected to the right side of the double-headed screw, and the top of the first motor is fixedly connected with the right side of the bottom of the platform. This but urban rail vehicle expansion lift platform for when needing to place great urban rail vehicle, the user can switch on external power supply with first motor, and then makes the external urban rail vehicle of placing at the platform top carry out the adjustment of co-altitude not according to the demand, is convenient for to the detection maintenance of external urban rail vehicle.
Description
Technical Field
The utility model relates to the technical field of urban rails, in particular to an extensible lifting platform for an urban rail vehicle.
Background
An urban rail vehicle refers to a railway vehicle with high passenger capacity in a city, namely a railway vehicle used by urban rail transit, is an important component of an urban public transport system, and generally refers to a public transport tool running along a specific rail in the city.
When carrying out the testing and maintenance to urban rail vehicle, need place urban rail vehicle and carry out the testing and maintenance on repairing the platform, though current repair platform can realize the placing to urban rail vehicle, nevertheless has different urban rail vehicle, and the volume is different, and the problem of great urban rail vehicle can't be placed to fixed dimension's platform.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an expandable lifting platform for urban rail vehicles, which aims to solve the problem that the platform with different sizes and fixed sizes cannot be used for placing larger urban rail vehicles due to the existence of different urban rail vehicles in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: an expandable lifting platform for urban rail vehicles comprises a platform, wherein grooves are formed in the left side and the right side of the top of the platform, and an expansion mechanism is arranged at the bottom of the platform;
the expansion mechanism comprises a through groove, a vertical rod, a plate body, a first threaded sleeve, a double-threaded screw, a supporting seat and a first motor;
two it processes respectively in the bottom left and right sides of platform to lead to the groove, two the inner wall top that leads to the groove is linked together with the inner wall of two recesses respectively, two it links to each other to lead to the inner wall of groove all slides has the montant, two the equal rigid coupling in top of montant has the plate body, two the outer wall bottom of plate body is laminated with the inner wall bottom of two recesses respectively, two the equal rigid coupling in bottom of montant has first thread bush, two the inner wall screw thread of first thread bush links to each other there is double threaded rod, double threaded rod's the outer wall left and right sides all rotates through the bearing has the supporting seat, two the outside top of supporting seat is in the same place with the bottom left and right sides rigid coupling of platform respectively, and double threaded rod's right side rigid coupling has first motor, the top of first motor links to each other with the bottom right side rigid coupling of platform. When larger urban rail vehicles need to be placed, a user can switch on the first motor by an external power supply, so that the first motor drives the double-threaded screw to rotate, when the double-threaded screw rotates, the two first threaded sleeves move oppositely through the sliding connection of the vertical rod and the through groove, so that the two first threaded sleeves respectively drive the vertical rod and the plate body to move towards the left side and the right side, the placing areas of the platform and the plate body are further increased, the urban rail vehicles of different models can be conveniently placed for detection and maintenance,
preferably, the equal rigid coupling in bottom four corners of platform has the pneumatic cylinder, and is a plurality of the bottom rigid coupling of pneumatic cylinder has the base. Connect external drive arrangement with the pneumatic cylinder for the pneumatic cylinder drives the platform and goes up and down the adjustment, and then makes the external city rail vehicle of placing at the platform top carry out the adjustment of co-altitude not according to the demand, is convenient for to the maintenance and detection of external city rail vehicle.
Preferably, the base is fixedly connected to four corners of the bottom of the base, and the box body is fixedly connected to the top of the base.
Preferably, the inner wall of the box body is provided with a moving mechanism;
the moving mechanism comprises a transverse plate, a universal wheel, a screw and a second thread sleeve;
the diaphragm clearance fit is in the inner wall of box, the equal rigid coupling in bottom four corners of diaphragm has the universal wheel, the equal rigid coupling in top left and right sides of diaphragm has the screw rod, two the equal screw thread of outer wall of screw rod links to each other there is the second thread bush, two the second thread bush passes through the bearing and rotates with the box and link to each other.
Preferably, a driving mechanism is arranged at the top of the box body;
the driving mechanism comprises a second motor, a round rod, a first gear and a second gear;
the second motor is fixedly connected to the top of the box body, a round rod is fixedly connected to the output end of the second motor and is connected with the box body in a rotating mode through a bearing, a first gear is fixedly connected to the bottom of the round rod, the left side and the right side of the outer wall of the first gear are meshed with second gears, and the second gears are respectively sleeved on the outer walls of the two second threaded sleeves. Switch on external power with the second motor for the second motor can drive round bar and first gear and rotate, and the meshing through first gear and two second gears links to each other, makes two second gears drive the second thread bush and rotates in box department, and the second thread bush rotates the back, drives two screw rods, diaphragm and universal wheel shift out the box, and then supports base etc. and make accessible universal wheels such as base remove, and the base etc. of being convenient for remove, and is comparatively convenient.
Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use.
This but expanded lift platform of city rail vehicle, through first motor, a supporting seat, the cooperation between double-end screw and the plate body etc, make when needing to place great city rail vehicle, the user can put through external power supply with first motor, make first motor drive double-end screw and rotate, when double-end screw rotates, slide through montant and logical groove links to each other, make two first thread bush carry out the opposite direction motion, make two first thread bushes drive montant and plate body respectively, move to the left and right sides respectively, and then improve the area of placing of platform and plate body, be convenient for place the city rail vehicle of different models and detect the maintenance.
Through the second motor, the second thread bush, the screw rod, cooperation between first gear and the second gear etc, make switch on external power with the second motor, make the second motor can drive round bar and first gear and rotate, meshing through first gear and two second gears links to each other, make two second gears drive the second thread bush and rotate in box department, second thread bush rotates the back, drive two screw rods, diaphragm and universal wheel shift out the box, and then support accessible universal wheel such as base, make removal such as base, be convenient for removal such as base, it is comparatively convenient.
Through the cooperation between pneumatic cylinder, platform and the base for connect external drive arrangement with the pneumatic cylinder, make the pneumatic cylinder drive the platform and carry out the adjustment of going up and down, and then make the external city rail vehicle of placing at the platform top carry out the adjustment of co-altitude not according to the demand, be convenient for to the maintenance of external city rail vehicle.
Drawings
FIG. 1 is a schematic diagram of the connection relationship of the present invention;
FIG. 2 is a schematic cross-sectional view of the plate, the groove and the platform of FIG. 1;
FIG. 3 is a schematic structural view of the first thread bush, the support seat and the first motor in FIG. 2;
fig. 4 is a schematic structural view of the box body, the screw and the second thread bushing in fig. 2.
In the figure: 1. platform, 2, recess, 3, pneumatic cylinder, 4, base, 5, base, 6, box, 7, expanding mechanism, 701, logical groove, 702, montant, 703, the plate body, 704, first thread bush, 705, double-end screw, 706, supporting seat, 707, first motor, 8, moving mechanism, 801, diaphragm, 802, universal wheel, 803, screw rod, 804, second thread bush, 9, actuating mechanism, 901, second motor, 902, round bar, 903, first gear, 904, second gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an expandable lifting platform for urban rail vehicles comprises a platform 1, grooves 2 are machined on the left side and the right side of the top of the platform 1, an expansion mechanism 7 is arranged at the bottom of the platform 1, the expansion mechanism 7 comprises through grooves 701, vertical rods 702, plate bodies 703, first thread sleeves 704, double-headed screws 705, a supporting seat 706 and a first motor 707, the two through grooves 701 are respectively machined on the left side and the right side of the bottom of the platform 1, the tops of the inner walls of the two through grooves 701 are respectively communicated with the inner walls of the two grooves 2, the inner walls of the two through grooves 701 are respectively connected with the vertical rods 702 in a sliding mode, the vertical rods 702 can slide left and right on the inner walls of the through grooves 701, the plate bodies 703 are fixedly connected to the tops of the two vertical rods 702, the plate bodies 703 are used for placing the external urban rail vehicles with the platform 1, the bottoms of the outer walls of the two plate bodies are respectively attached to the bottoms of the inner walls of the two grooves 2, the bottoms of the two vertical rods 703 are respectively fixedly connected with the first thread sleeves 704, the inner wall threads of the two first threaded sleeves 704 are connected with the double-threaded screw 705, the left side and the right side of the outer wall of the double-threaded screw 705 are connected with the supporting seat 706 through the rotation of the bearing, the double-threaded screw 705 can rotate at the supporting seat 706, the outer tops of the two supporting seats 706 are fixedly connected with the left side and the right side of the bottom of the platform 1 respectively, the right side of the double-threaded screw 705 is fixedly connected with the first motor 707, the model of the first motor 707 is selected according to actual working requirements, the top of the first motor 707 is fixedly connected with the right side of the bottom of the platform 1, hydraulic cylinders 3 are fixedly connected with the four corners of the bottom of the platform 1, the model of the hydraulic cylinder 3 is selected according to actual working requirements, the bottoms of the hydraulic cylinders 3 are fixedly connected with the base 4, the four corners of the bottom of the base 4 are fixedly connected with the base 5, and the top of the base 4 is fixedly connected with the box 6.
The inner wall of box 6 is equipped with moving mechanism 8, moving mechanism 8 includes diaphragm 801, universal wheel 802, screw rod 803 and second thread bush 804, diaphragm 801 clearance fit is in the inner wall of box 6, make diaphragm 801 can carry out elevating movement at the inner wall of box 6, the equal rigid coupling in bottom four corners of diaphragm 801 has universal wheel 802, universal wheel 802 is used for driving base 4 etc. and removes, the equal rigid coupling in top left and right sides of diaphragm 801 has screw rod 803, the equal screw thread of outer wall of two screw rods 803 has linked together second thread bush 804, two second thread bushes 804 rotate with box 6 through the bearing and link to each other, make second thread bush 804 can rotate in box 6 department.
The top of box 6 is equipped with actuating mechanism 9, actuating mechanism 9 includes second motor 901, round bar 902, first gear 903 and second gear 904, second motor 901 rigid coupling in the top of box 6, the model of second motor 901 selects according to the actual work demand, the output rigid coupling of second motor 901 has round bar 902, make second motor 901 can drive round bar 902 and rotate, round bar 902 passes through the bearing and rotates with box 6 and link to each other, the bottom rigid coupling of round bar 902 has first gear 903, make round bar 902 can drive first gear 903 and rotate, the outer wall left and right sides of first gear 903 all meshes and links to each other has second gear 904, two second gears 904 cup joint respectively in the outer wall of two second thread bushings 804, make first gear 903 drive second gear 904 and rotate, and then drive second thread bushing 804 and rotate.
When the expandable lifting platform of the urban rail vehicle is used, when a larger urban rail vehicle needs to be placed, a user can connect the first motor 707 with an external power supply, so that the first motor 707 drives the double-headed screw 705 to rotate, when the double-headed screw 705 rotates, the two first threaded sleeves 704 move oppositely through the sliding connection of the vertical rod 702 and the through groove 701, so that the two first threaded sleeves 704 respectively drive the vertical rod 702 and the plate body 703 to move towards the left and the right sides, so that the placing areas of the platform 1 and the plate body 703 are increased, urban rail vehicles of different models can be conveniently placed for detection and maintenance, the second motor 901 can be connected with the external power supply, so that the second motor 901 can drive the circular rod 902 and the first gear 903 to rotate, the two second gears 904 are connected through the meshing of the first gear 903 and the two second gears 904, so that the two second threaded sleeves 804 are driven to rotate at the box body 6, second thread bush 804 rotates the back, drive two screw rods 803, diaphragm 801 and universal wheel 802 shift out the box, and then support base 4 etc. make accessible universal wheel 802 such as base 4 remove, be convenient for base 4 etc. remove, it is comparatively convenient, and can connect external drive arrangement with pneumatic cylinder 3, make pneumatic cylinder 3 drive platform 1 carry out the adjustment of going up and down, and then make the external city rail vehicle of placing at platform 1 top according to the demand, carry out the adjustment of co-altitude, be convenient for to the detection maintenance of external city rail vehicle.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an expanded lift platform of city rail vehicle, includes platform (1), the top left and right sides of platform (1) all processes fluted (2), its characterized in that: the bottom of the platform (1) is provided with an expansion mechanism (7);
the expansion mechanism (7) comprises a through groove (701), a vertical rod (702), a plate body (703), a first threaded sleeve (704), a double-headed screw (705), a supporting seat (706) and a first motor (707);
the two through grooves (701) are respectively processed at the left side and the right side of the bottom of the platform (1), the tops of the inner walls of the two through grooves (701) are respectively communicated with the inner walls of the two grooves (2), the inner walls of the two through grooves (701) are respectively connected with vertical rods (702) in a sliding manner, the tops of the two vertical rods (702) are respectively fixedly connected with a plate body (703), the bottoms of the outer walls of the two plate bodies (703) are respectively attached to the bottoms of the inner walls of the two grooves (2), the bottoms of the two vertical rods (703) are respectively fixedly connected with first thread sleeves (704), the threads of the inner walls of the two first thread sleeves (704) are respectively connected with a double-headed screw (705), the left side and the right side of the outer wall of the double-headed screw (705) are respectively connected with a supporting seat (706) through bearing rotation, the tops of the two supporting seats (706) are respectively fixedly connected with the left side and the right side of the bottom of the platform (1), the right side of the double-end screw (705) is fixedly connected with a first motor (707), and the top of the first motor (707) is fixedly connected with the right side of the bottom of the platform (1).
2. The expandable urban rail vehicle lifting platform according to claim 1, wherein: the equal rigid coupling in bottom four corners of platform (1) has pneumatic cylinder (3), and is a plurality of the bottom rigid coupling of pneumatic cylinder (3) has base (4).
3. The expandable urban rail vehicle lifting platform according to claim 2, wherein: the base (5) is fixedly connected to four corners of the bottom of the base (4), and the box body (6) is fixedly connected to the top of the base (4).
4. The expandable urban rail vehicle lifting platform according to claim 3, wherein: the inner wall of the box body (6) is provided with a moving mechanism (8);
the moving mechanism (8) comprises a transverse plate (801), a universal wheel (802), a screw (803) and a second thread sleeve (804);
the clearance fit of diaphragm (801) is in the inner wall of box (6), the equal rigid coupling in bottom four corners of diaphragm (801) has universal wheel (802), the equal rigid coupling in top left and right sides of diaphragm (801) has screw rod (803), two the outer wall of screw rod (803) all the screw thread link up second thread bush (804), two second thread bush (804) rotate with box (6) through the bearing and link to each other.
5. The expandable urban rail vehicle lifting platform according to claim 3, wherein: the top of the box body (6) is provided with a driving mechanism (9);
the driving mechanism (9) comprises a second motor (901), a round rod (902), a first gear (903) and a second gear (904);
the second motor (901) is fixedly connected to the top of the box body (6), a round rod (902) is fixedly connected to the output end of the second motor (901), the round rod (902) is rotatably connected with the box body (6) through a bearing, a first gear (903) is fixedly connected to the bottom of the round rod (902), the left side and the right side of the outer wall of the first gear (903) are respectively meshed with a second gear (904), and the second gears (904) are respectively sleeved on the outer walls of the two second threaded sleeves (804).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121019038.5U CN215364702U (en) | 2021-05-13 | 2021-05-13 | Extensible lifting platform for urban rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121019038.5U CN215364702U (en) | 2021-05-13 | 2021-05-13 | Extensible lifting platform for urban rail vehicle |
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| Publication Number | Publication Date |
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| CN215364702U true CN215364702U (en) | 2021-12-31 |
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| CN202121019038.5U Active CN215364702U (en) | 2021-05-13 | 2021-05-13 | Extensible lifting platform for urban rail vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115072631A (en) * | 2022-05-30 | 2022-09-20 | 商丘师范学院 | Extensible lifting platform for urban rail vehicle |
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2021
- 2021-05-13 CN CN202121019038.5U patent/CN215364702U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115072631A (en) * | 2022-05-30 | 2022-09-20 | 商丘师范学院 | Extensible lifting platform for urban rail vehicle |
| CN115072631B (en) * | 2022-05-30 | 2024-01-26 | 商丘师范学院 | Extensible lifting platform for urban rail vehicle |
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Inventor after: Liu Liqiong Inventor after: Yu Yongquan Inventor after: Li Xiahua Inventor after: Huang Meijing Inventor after: Meng Shuian Inventor before: Liu Liqiong Inventor before: Yu Yongquan Inventor before: Li Xiahua Inventor before: Huang Meihuang Inventor before: Meng Shuian |